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Finding the Third Proportional to 187,866,979 and 301,995,185

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Solution

The third proportional to 187,866,979 and 301,995,185 is: 485,455,678.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,866,979 : 301,995,185 = 301,995,185 : x
  2. Step 2: Convert to fraction form
    187,866,979/301,995,185 = 301,995,185/x
  3. Step 3: Cross multiply
    187,866,979x = 301,995,185 × 301,995,185
  4. Step 4: Simplify right side
    187,866,979x = 91,201,091,763,184,224
  5. Step 5: Solve for x
    x = 91,201,091,763,184,224/187,866,979
  6. Step 6: Final answer
    x = 485,455,678.53

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.